docker: add convenience scripts for maintainers

docker/build-push.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+#
+# This is a convenience script for maintainers to locally build a Docker image
+# and push its BuildKit cache for use by the CI.
+#
+# The script assumes you have authenticated with `docker login ghcr.io`
+set -e
+
+if [ $# -ne 2 ]; then
+    echo "Usage: $0 <os> <arch>   (e.g. linux x86_64)" >&2
+    exit 1
+fi
+
+OS="$1"
+ARCH="$2"
+IMAGE="ghcr.io/vanilla-wiiu/vanilla-${OS}-${ARCH}"
+LOCAL_IMAGE="vanilla-${OS}-${ARCH}"
+SCRIPT_DIR=$(dirname -- "$(realpath -- "${BASH_SOURCE[0]}")")
+
+docker buildx build \
+    -f "${SCRIPT_DIR}/${OS}/Dockerfile" \
+    --build-arg ARCH="${ARCH}" \
+    -t "${LOCAL_IMAGE}" \
+    --label "org.opencontainers.image.source=https://github.com/vanilla-wiiu/vanilla" \
+    --load \
+    --cache-from "type=registry,ref=${IMAGE}:buildcache" \
+    --cache-to "type=registry,ref=${IMAGE}:buildcache,mode=max" \
+    "${SCRIPT_DIR}/.."

docker/pull-build.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+#
+# This is a convenience script for importing the CI's BuildKit cache, loading a
+# runnable image locally, and using it to build Vanilla.
+#
+# The script assumes you have authenticated with `docker login ghcr.io`
+set -e
+
+if [ $# -ne 2 ]; then
+    echo "Usage: $0 <os> <arch>   (e.g. linux x86_64)" >&2
+    exit 1
+fi
+
+OS="$1"
+ARCH="$2"
+IMAGE="ghcr.io/vanilla-wiiu/vanilla-${OS}-${ARCH}"
+LOCAL_IMAGE="vanilla-${OS}-${ARCH}"
+SCRIPT_DIR=$(dirname -- "$(realpath -- "${BASH_SOURCE[0]}")")
+ROOT="${SCRIPT_DIR}/.."
+
+docker buildx build \
+    -f "${SCRIPT_DIR}/${OS}/Dockerfile" \
+    --build-arg ARCH="${ARCH}" \
+    -t "${LOCAL_IMAGE}" \
+    --load \
+    --cache-from "type=registry,ref=${IMAGE}:buildcache" \
+    "${ROOT}"
+
+docker run --rm \
+    -v "${ROOT}":/vanilla \
+    -v "${ROOT}/install":/install \
+    "${LOCAL_IMAGE}"